Air heating furnace



INVENTORS 5 Sheets-Sheet l T. T. M LANE ET AL AIR HEATING FURNACE Mm'h20, 1956 Filed March 27, 1953 March 20,

Filed Mal ch T. T. M LANE ET AL AIR HEATING FURNACE 3 Sheets-Sheet 2 AIRHEATING FURNACE Filed March 27. 1955 5 Sheets-Sheet 3 FIZo TC: I200 MS FZ y A v 5 WW M J m M i W M m? i WW5 1 52M Nu/ MJJY 7,. f ma jlfi Z/ v 4W Z r T/ J A. M I. 2 b 4 v. MN 4 4 A no 0 P v 4\ 'FO CE LLAR UnitedStates Patent m HEATING FURNACE Thomas Timothy McLane, Paul RobertMcLane, and James Alfred McLane, Norwood, Ohio Application March 27,1953, Serial No. 345,118

2. Claims. (Cl. 126-110) This invention relates to 'furnaceconstmctions.

It is an objectof the present invention to provide a be used for airconditioning during the summer without requiring any refrigerants,merely ing element therein. Other objects of the present invention areto provide ,a

by turning off the heatfurnace construction bearing the above objects inmind which is of simple construction, inexpensive to manufacture, has aminimum number of parts, is easy to install and efficient in operation.

For other objects and a better understanding of the invention, referencemay be had to the following detailed description taken in connectcionwith the accompanying drawings, in which:

Figure l is a fragmentary side elevational view of a house showing thepresent invention incorporated therein;

Fig. 2 is a perspective view of the present invention, shown partlybroken away to show the interior thereof;

Fig. 3 is a vertical sectional view through the furnace construction;

Fig. 4 is a vertical sectional view taken along the line 4-4 of Fig. 3;

Fig. 5 is a transverse sectional view line 5-5 of Fig. 3;

Fig. 6 is a vertical sectional view taken along the line 6-6 of Fig. 3;

Fig 7 is a transverse sectional view taken along the line 7-7 of Fig. 3;

Fig. 8 is an end elevational view line 8-8 of Fig. 3;

Fig. 9 is an enlarged fragmentary side elevational view of the chimneyblower, shown partly broken away, and

Fig. 10 is a vertical sectional view taken along the line 10-10 of Fig.4.

Referring now more in detail to the drawing, in which similar referencenumerals identify corresponding parts throughout the several views,there is shown a furnace construction, referred to collectively as 10,and including a hollow sheet metal housing 11, substantially asillustrated.

The housing 11 is substantially rectangular and is provided with innerand outer top walls 12 and 13, respectively separated by a layer ofasbestos 14, the top of the housing being secured to the rafters 15 bymeans of screws 16 through the ceiling of the basement or cellar, asshown in Fig. 3.

A vertical partition 17 provides the housing into two taken along thelooking along the 2 equal compartments. The bottom wall 18 is providedwith an opening 19 around which is fixedly supported a cylindricalmember 20 having a cover plate 21, the member 20 being secured to thebottom wall 18 by means of a flange 22. The cover plate 21 at the centerthereof is integrally formed with an open neck 23 around which ispositioned a cylindrical duct 24, as shown in Fig. 3.

A gas burner25 is suitably mounted below opening 19 for a purpose tohereinafter become clear. The partition 17 is provided with an opening26 in which is positioned a cylindrical duct 27 having a closed end 28and an open end 29 connected to the duct 24 by means of an elbow 30. Thepartition 17 below. opening 26 is provided with a large openingreceiving screen 31 of blower 32, the blower 32 being driven by motor33.

A water trap 34 is positioned'adjacent motor 33 and communicates withadmin in the basement floor, not shown, by means of an outlet pipe 35,the top of trap 34 being connect'ed ,to the outer end of cylinder 27 bymeans of an inlet pipe 36. The. top of housing 11 is provided with anopening 37 which communicates with the upper rooms of the house by meansof a duct 38, the duct 38 being secured in position by flanges 39 and40.

The sides 41 and 42 are provided with laterally aligned openingsdirectly below the opening 37 which communicatewiththe bottom of thecellar by means of ducts 43 and 44 respectively.

A second horizontal, cylindrical duct 45 is secured at one end topartition 17 above cylindrical duct 27 by means of a fitting 46, theother end of duct 45 extending upwardly at right angles through the topof housing 11 in a continuation 47 and being connected to the outsidehouse pipe 48 by means of elbow 49.

The ducts 27 and 45 are interconnected by staggered tubing 50.

Cold air from the bottom of the rooms above is conducted to the top ofhousing 11 adjacent duct 45 by means of adapter 51 and duct 52.

The hot air passing upwardly from duct 45 through continuation 47 andinto outside pipe 48 is drawn upwardly into the atmosphere by means of apropeller 53 rotatively mounted in the top of pipe 48 by means of abracket 54 and a rotatable shaft 55 (see Fig. 9), the plate 53 beingdriven by a motor 56 mounted within casing 57 secured alongside the pipe48 by means of straps 58. The casing 57 and p'pe 48 are provided withaligned openings which receive a belt 59 interconnecting pulley 60mounted on a drive shaft 61of motor 56 and pulley 62 mounted onpropeller 53.

In operation, cold air from the bottom of the basement is drawn upwardlyinto the combustion chamber 20 and heated by means of the burner 25, theair thus heated rising upwardly through duct 24 into horizontal duct 27where it passes upwardly through coils 50 into horizontal duct 45 andcontinuing upwardly to outside pipe 48 where it is drawn ofi into theatmosphere by propeller 53. Any moisture condensing in duct 27 iscarried to trap 34 where it is delivered to the cellar drain by means ofpipe 35.

Cold air from the rooms above is also carried down through duct 52 intohousing 11 downwardly towards blower 32, this air being preheated as itpasses coils 50. This air is drawn through screen 31 where it isfiltered by blower 32 to pass upwardly around combustion chamber 20where it is preheated, and continuing upwardly to duct 38 where it isrecycled to the rooms above. This air also is conveyed through ducts 43and 44 to the bottom of the cellar to heat the latter.

A thermostat control 63 regulates the temperature of the circulating airby controlling a valve 64 at the inlet to burner 25.

The layer of asbestos 14 prevents the heat from being transferredthrough the top of housing 11 except through ducts 38 and 47.

It will be apparent that during the summer the above describedconstruction can be utilized as an air conditioning unit merely byturning off the burner 25 and continuing operation of blower 32, itbeing unnecessary to include any refrigerants.

While various changes may be made in the detail construction, it shallbe understood that such changes shall be within the spirit and scope ofthe present invention, as defined by the appended claims.

Having thus disclosed the nature of our invention, what is claimed is:

1. A furnace construction comprising a closed housing adapted to bemounted in a basement, a vertical partition dividing said housing intotwo compartments, one of said compartments at the bottom thereof havingan opening, a combustion chamber mounted on the bottom of saidcompartment surrounding said opening, said combustion chamber being openat the bottom and having a restricted opening near the top thereof,heating means disposed below said opening and said combustion chamber, asubstantially horizontal duct passing through said partition above saidcombustion chamber, said duct being closed at one end and connected atthe other to said restricted opening in the top of said combustionchamber by means of a conduit extending upwardly from the said lastmentioned opening, a second substantially horizontal duct secured at oneend to said vertical partition above said first horizontal duct, theother end of said second horizontal duct continuing upwardly through thetop of said housing, coils connecting said first and second horizontalducts, said housing near the top thereof having an opening near saidsecond horizontal duct communicating with the other of saidcompartments, said partition near the lower end thereof having anopening establishing communication between said two compartments, saidcompartment having said combustion chamber at the top thereof having anopening, and blower means operatively associated with said partitionopening and adapted to draw air into the opening in said secondmentioned compartment and circulate it downwardly through said secondmentioned compartment, through said partition opening, upwardly throughsaid first mentioned compartment, and outwardly through said top openingthereof.

2. A furnace construction according to claim 1, including a water trapadapted to connect With a basement drain, said water trap beingconnected to the end of said first horizontal duct remote from saidcombustion chamber.

References Cited in the file of this patent UNITED STATES PATENTS467,747 Dornfelf Ian. 26, 1892 980,471 Zenke' Ian. 3, 1911 2,013,237Funk Sept. 3, 1935 2,121,108 Tuck June 21, 1938 2,123,163 BirkenbeuelJuly 12, 1938 2,147,854 Mueller Feb. 21, 1939 2,267,905 Frantz Dec. 30,1941 2,333,602 Van Almelo Nov. 2, 1943 2,363,742 Norton Nov. 28, 19442,428,544 Breidert Oct. 7, 1947 2,452,329 Schwantes Oct. 26, 19482,576,719 Koser Nov. 27, 1951 2,582,071 Schultz Ian. 8, 1952

